| Year | Species-richness | Biomass | Abundance | Simpson’s 1/D | SCVI | |
| Willows (W) vs Plantation Woodland (P) | 1 | W+++ | W+++ | W++ | W+++ | W+++ |
| 2 | X | X | X | W+++ | X | |
| Willows (W) vs Grassland (G) | 1 | X | G+++ | G+++ | W+++ | G+++ |
| 2 | G+++ | G+++ | G+++ | W+++ | G+++ |